All USA

A win in Ohio on Super Tuesday could restore Mitt Romney's clear front-runner status. But senior Republicans are decrying the toxic nature of the campaign, and some prominent conservative commentators doubt that either Romney or Rick Santorum could beat Barack Obama.

An Afghan soldier killed two Americans in retaliation for the US Quran burning – and the Afghanistan government offered no apology. It suggests that the relationship is fraying after 10 years of war, some say.

Congress punted last year on a plan for major US deficit and debt reduction. But the bipartisan 'Gang of Six' senators is back at it, crafting a blueprint they say will be ready for consideration even before Election 2012.

Radio host Rush Limbaugh created a furor for labeling a woman a 'slut' after she testified in favor of mandatory employer health coverage of contraception – and that was just the beginning. He may have hurt the Republican cause this time.

President Obama meets with Israel's prime minister Monday and will warn Israel not to unilaterally attack Iran. He also told the Atlantic magazine it was "unacceptable" for Iran to have a nuclear weapon.